import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'



Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/Welcome',
      children: [
        { path: '/Welcome', component: Welcome },
        { path: '/users', component: Users },
        {path:'/rights',component:Rights},
        {path:'/roles',component:Roles},
        {path:'/categories',component:Cate},
        {path:'/params',component:Params},
        {path:'/goods',component:GoodsList},
        {path:'/goods/add',component:Add},
        {path:'/orders',component:Order},
        {path:'/reports',component:Report},

    ]
    }
  ]
})


//挂载路由导航守卫
router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next 是一个函数，表示放行
  //next（） 放行 next（'/login'） 强制跳转
  if (to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  //如果没有token跳转到登录页面
  if (!tokenStr) return next('/login')
  next()
})


export default router
